Section 1; Introduction - Atmel STK521 User Manual

Section 1

Introduction

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The Atmel AVR STK 521 kit is made of the Atmel AVR STK521 board.
The STK521 board is a top module for the Atmel STK500 development board from Atmel Corporation. It
is designed to support the Atmel AT90PWM81, Atmel AT90PWM161 products and future compatible
derivatives.
The STK521 includes connectors and hardware allowing full utilization of the new features of the
AT90PWM81/161, while the Zero Insertion Force (ZIF) socket allows easy to use of SOIC20 package for
prototyping.
This user guide acts as a general getting started guide as well as a complete technical reference for
advanced users.
Note that in this guide, the word AVR is used to refer to the target components (AT90PWM81/161).
AT90PWM81 will be also used to refer to one of the products from this family.
Figure 1-1. STK521 Top Module for STK500.
STK521 User Guide 1-1
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